1-Bromobutane CAS 109-65-9

Purity >95%In StockPharmaceutical Standards
CAS No.109-65-9
Molecular FormulaC4H9Br
Molecular Weight137.02 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1-Bromobutane CAS 109-65-9 chemical structure

Description

1-Bromobutane (CAS 109-65-9), molecular formula C4H9Br and molecular weight 137.02 g/mol, is a CATO reference standard with documented purity and traceability.

The molecular framework of 1-Bromobutane (C4H9Br) is characterized by bromine substitution. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

As a certified reference material (CRM), 1-Bromobutane meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

Molecular FormulaC4H9Br
Molecular Weight137.02 g/mol
Purity>95%
StorageStore at 2-8°C, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in methanol, acetonitrile, DMSO
StabilityStable under recommended storage conditions
Degree of Unsaturation (DBE)0.0
CAS Registry Year (est.)1957
Halogen ContentBr-containing

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Why CATO?